2312147534 has 4 divisors (see below), whose sum is σ = 3468221304. Its totient is φ = 1156073766.

The previous prime is 2312147533. The next prime is 2312147561. The reversal of 2312147534 is 4357412132.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2312147534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312147533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578036882 + ... + 578036885.

It is an arithmetic number, because the mean of its divisors is an integer number (867055326).

Almost surely, 2^2312147534 is an apocalyptic number.

2312147534 is a deficient number, since it is larger than the sum of its proper divisors (1156073770).

2312147534 is a wasteful number, since it uses less digits than its factorization.

2312147534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156073769.

The product of its digits is 20160, while the sum is 32.

The square root of 2312147534 is about 48084.7952475624. The cubic root of 2312147534 is about 1322.3259293742.

Adding to 2312147534 its reverse (4357412132), we get a palindrome (6669559666).

The spelling of 2312147534 in words is "two billion, three hundred twelve million, one hundred forty-seven thousand, five hundred thirty-four".